Test AR monkey patch of define_attribute_methods.

ar-override-define_attribute_methods.rb

require 'active_record'
require 'active_record/base'

module ActiveRecord
  module CVE123456
    def define_attribute_methods
      # ....
      raise "OMG Monkey Patch!"
    end
  end
end

ActiveRecord::Base.extend ActiveRecord::CVE123456

# puts ActiveRecord::Base.define_attribute_methods

ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")

ActiveRecord::Schema.define do
  create_table :projects do |t|
    t.string :name
    t.text :description
  end
end

class Project < ActiveRecord::Base
end

puts Project.new(name: "OMG")